Today In History
Theo and Wayne Hart received a patent for a ponytail hair clasp.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5174566 | Training device for golfers A mirror has a diagram of preferred movements and a practicing person, such as a golfer practicing a proper golf swing which is diagrammed on the mirror, stands in front of the mirror and follows the diagram. The diagram has lines to be followed, for exam... | 12/29/1992 |
| 5137689 | Method and apparatus for cleaning instruments Pressurized liquid is forced through the instrument simultaneous with submerging in a container of disinfectant or sterilization solution and also a gas may be introduced. The containers of the solutions receive the instrument which is mounted to be drive... | 08/11/1992 |
| 5076396 | Hydraulic rail lubricator A hydraulic master unit is mounted on the rail and has a master cylinder in which is mounted a plunger to be contacted by the wheel of the train. A master cylinder piston is driven against the compression of a cylinder spring inside the master cylinder bo... | 12/31/1991 |
| 5062495 | Rear suspension system for motorcycles A rigid motorcycle frame comprises a pair of spaced swingarms attached to a shock absorber which comprises a shock absorber casing or housing pivotally mounted on the swingarms and having a shock absorber rod which is pivotally attached to the motorcycle ... | 11/05/1991 |
| 4999853 | Belt having adhering means for size adjustment A belt is constructed with a decorative front portion of any design and first and second belt portions secured at opposite ends of the belt front for adjustable fastening. One of the ends of the belt portions is provided with a loop through which the othe... | 03/19/1991 |
| 4914862 | Safety device for sash windows A spring loaded safety member is pivotally mounted against a coil spring seated within the channel of a standard pulley and spring system which has been moved slightly in the channel. The safety member comprises sharp teeth and is normally retracted in th... | 04/10/1990 |
| 4885968 | Mounting of the circularly fitted inserted tooth of a circular saw Mounting of the circularly fitted inserted tooth of a circular saw. An inserted tooth (4) having a circular mounting surface is mounted on a blade body (1) and into a round-bottomed notch whose opposite edges are parallel. Tooth (4) is locked in the notch... | 12/12/1989 |
| 4883918 | Transformer mounting pad having a cable opening lined with a safety barrier A detachable safety frame is constructed from four individual members which are assembled into a rectangular frame detachably attached at each respective adjacent and adjoining end. The frame is assembled into either existing cable openings of installed t... | 11/28/1989 |
| 4846967 | Apparatus for reclaiming contaminated oil Contaminated oil is reclaimed for uel use by pumping same through an oil filter into one side of a divided tank then through a heater to burn off water and antifreeze and then into the other side of the divided tank where the oil is blended with other cle... | 07/11/1989 |
| 4829645 | Oscillating roller An elongated, cylindrical metal sleeve has a soft cylindrical, elastomer cover. A shaft is mounted through the core in a bearing slip-fitted in each end and held in place by a snap ring on one end snapped into the metal sleeve and on the other end by a ci... | 05/16/1989 |
| 4785514 | Oscillating roller mounted on a fixed shaft A fixed, non-rotating shaft supports a resilient roller for rotation and oscillation by means of bearing assemblies adjacent opposite ends of the roller. Each bearing assembly comprises a rotary bearing mounted inside the respective end of the roller and ... | 11/22/1988 |
| 4784751 | Method and apparatus for reclaiming contaminated oil Contaminated oil is reclaimed for fuel use by pumping same through an oil filter into one side of a divided tank then through a heater to burn off water and antifreeze and then into the other side of the divided tank where the oil is blended with other cl... | 11/15/1988 |
| 4780119 | Method and apparatus for producing carbon dioxide units Carbon dioxide (CO2) solid discs (dry ice) are produced from liquid carbon dioxide injected into an extrusion cylinder in which the extrusion piston compresses dry snow and extrudes it through a fixed die, thereby producing pellets of dry ice w... | 10/25/1988 |
| 4771988 | Lifting apparatus for heavy folding doors A single, telescopic tubular steel pole is supported by an elongated steel channel base having rubber wheels on each end. The pole is leaned and supported against the top of a door opening in a building by means of a removable top frame having a longitudi... | 09/20/1988 |
| 4771553 | Boot insert A boot cover fits around the top of a boot and closes the gap or space between the top edge of the boot and the cover. In one form, the cover is made from plastic and has a groove that fits around the top edge of the boot. In another form, the cover compr... | 09/20/1988 |
| 4745710 | Gutter screen having spaced ribs Spaced elongated ribs each having a tapered end and a concave end are assembled together by means of elongated, spaced members inserted through respective spaced openings in each rib. The tapered ends of the ribs are attached to a common sheet of material... | 05/24/1988 |
| 4429601 | Method of mitering mold and the like For use with any type of saw and base such as a miter saw which can be set as to angle, the present apparatus comprises a pair of profile members corresponding to different sizes and shapes of conventional mold and such profile members may be supported at... | 02/07/1984 |
